package entity;

import java.util.HashMap;
import java.util.Map;

/***
 * Author: Mr.Zhao, Time: 2018/10/2/14:43
 * Description: 通用的返回类
 */
public class Msg {
    //状态码,100-成功，200-失败，300-没找到信息
    private int code;
    //提示信息
    private String msg;


    // 用户要返回给浏览器的信息
    private Map<String, Object> extend = new HashMap<String, Object>();

    public static Msg success() {
        Msg result = new Msg();
        result.setCode(100);
        result.setMsg("处理成功");
        return result;
    }

    public static Msg fail() {
        Msg result = new Msg();
        result.setCode(200);
        result.setMsg("处理失败");
        return result;
    }

    /**
     * 用来链式添加信息
     *
     */
    public Msg add(String key, Object value) {
        this.getExtend().put(key, value);
        return this;
    }

    public int getCode() {
        return code;
    }

    public void setCode(int code) {
        this.code = code;
    }

    public String getMsg() {
        return msg;
    }

    public Msg setMsg(String msg) {
        this.msg = msg;
        return this;
    }

    public Map<String, Object> getExtend() {
        return extend;
    }

    public void setExtend(Map<String, Object> extend) {
        this.extend = extend;
    }
}
